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PolyOne Corporation Page 4 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • 19 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Goal of $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 5 Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia Latin America Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 6 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 % o f O p e ra ti n g I n c o m e * JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $129M Target Mix Shift Highlights Specialty Transformation 2015 Target PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs. S&P 500 -150% -50% 50% 150% 250% 350% 450% 550% POL S&P 500 All time high of $43.34 July 1st, 2014 PolyOne Corporation Page 9 2006 2014 YTD 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 15.2% 12 – 16% Global Specialty Engineered Materials 1.1% 11.8% 12 – 16% Designed Structures & Solutions -- 7.1% 8 – 10% Performance Products & Solutions 5.5% 8.0% 9 – 12% Distribution 2.6% 6.0% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 66% 65 – 75% 3) ROIC* 5.0% 9.9% 15% 4) Adjusted EPS Growth N/A 40% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period (Est. in 2012) PolyOne Corporation Page 10 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue CAGR PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 4 11 5 10 6 9 3 4 2 15 9 1 10 4 Breakthrough Platform Derivative A Rich Pipeline of Opportunity* Number of Projects 25 14 19 17 18 93 Addressable Market ($ millions) TBD TBD $800 $450 $450 $1,700 *Pipeline as of May 29, 2014 as presented during our Innovation Day PolyOne Corporation Page 13 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 14 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of June 30, 2014 Debt Maturities & Pension Funding – 6/30/14 Net Debt / EBITDA* = 1.8x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of June 30, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 6/30/2014 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend Expanding our sales, marketing, and technical capabilities Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin Synergy opportunities Adjacent material solutions Repurchased 1.8 million shares in Q2 2014 Repurchased 8.2 million shares since early 2013  11.8 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture) Manufacturing alignment PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

PolyOne Corporation Page 4 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • 19 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Goal of $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 5 Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia Latin America Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 6 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 % o f O p e ra ti n g I n c o m e * JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $129M Target Mix Shift Highlights Specialty Transformation 2015 Target PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs. S&P 500 -150% -50% 50% 150% 250% 350% 450% 550% POL S&P 500 All time high of $43.34 July 1st, 2014 PolyOne Corporation Page 9 2006 2014 YTD 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 15.2% 12 – 16% Global Specialty Engineered Materials 1.1% 11.8% 12 – 16% Designed Structures & Solutions -- 7.1% 8 – 10% Performance Products & Solutions 5.5% 8.0% 9 – 12% Distribution 2.6% 6.0% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 66% 65 – 75% 3) ROIC* 5.0% 9.9% 15% 4) Adjusted EPS Growth N/A 40% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period (Est. in 2012) PolyOne Corporation Page 10 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue CAGR PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 4 11 5 10 6 9 3 4 2 15 9 1 10 4 Breakthrough Platform Derivative A Rich Pipeline of Opportunity* Number of Projects 25 14 19 17 18 93 Addressable Market ($ millions) TBD TBD $800 $450 $450 $1,700 *Pipeline as of May 29, 2014 as presented during our Innovation Day PolyOne Corporation Page 13 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 14 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of June 30, 2014 Debt Maturities & Pension Funding – 6/30/14 Net Debt / EBITDA* = 1.8x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of June 30, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 6/30/2014 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend Expanding our sales, marketing, and technical capabilities Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin Synergy opportunities Adjacent material solutions Repurchased 1.8 million shares in Q2 2014 Repurchased 8.2 million shares since early 2013  11.8 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture) Manufacturing alignment PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

PolyOne Corporation Page 3 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • 19 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Goal of $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 4 Building & Construction 13% Industrial 12% 18% Wire & Cable 9% Packaging 16% 10% HealthCare 11% Appliance Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia Latin America Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 5 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $129M Target Mix Shift Highlights Specialty Transformation 2015 Target PolyOne Corporation Page 6 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 7 -150% -50% 50% 150% 250% 350% 450% 550% POL S&P 500 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs. S&P 500 All time high of $43.34 July 1st, 2014 PolyOne Corporation Page 8 2006 2014 YTD 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 15.2% 12 – 16% Global Specialty Engineered Materials 1.1% 11.8% 12 – 16% Designed Structures & Solutions -- 7.1% 8 – 10% Performance Products & Solutions 5.5% 8.0% 9 – 12% Distribution 2.6% 6.0% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 66% 65 – 75% 3) ROIC* 5.0% 9.9% 15% 4) Adjusted EPS Growth N/A 40% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period (Est. in 2012) PolyOne Corporation Page 9 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue CAGR PolyOne Corporation Page 10 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 11 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 4 11 5 10 6 9 3 4 2 15 9 1 10 4 Breakthrough Platform Derivative A Rich Pipeline of Opportunity* Number of Projects 25 14 19 17 18 93 Addressable Market ($ millions) TBD TBD $800 $450 $450 $1,700 *Pipeline as of May 29, 2014 as presented during our Innovation Day PolyOne Corporation Page 12 Healthcare Consumer Packaging and Additive Technology Transportation Unique and Innovative Solutions https://www.dropbox.com/sh/dwe4t8aacvhb8ui/uD3p_bdglP/Presentation revise pics/GLS Beverage can closure XO 2.jpg https://www.dropbox.com/sh/dwe4t8aacvhb8ui/-YgkycKypw/Anti-Counterfeiting release & images/GN1979.JPG PolyOne Corporation Page 13 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 14 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of June 30, 2014 Debt Maturities & Pension Funding – 6/30/14 Net Debt / EBITDA* = 1.8x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of June 30, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 6/30/2014 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend Expanding our sales, marketing, and technical capabilities Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin Synergy opportunities Adjacent material solutions Repurchased 1.8 million shares in Q2 2014 Repurchased 8.2 million shares since early 2013  11.8 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture) Manufacturing alignment PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

FX) as strong growth in healthcare applications was offset by weak transportation demand, as well as lower defense sales on tough year over year comparisons • Unfavorable mix related to lower defense sales resulted in lower margin in the quarterAdj. 23.2% Adj. 22.2% Copyright © . 2025 9 Regional manufacturing capabilities and supply chains help us serve our customers locally Global reach with a local touch Sales exposure $100M ~3% LESS THAN Raw materials exposure $100M ~7.5% LESS THAN Tariff exposure guidance Copyright © . 2025 11 ADJ. Color, Additives & Inks END MARKETS REGIONS 34% 21% 15% 11% 8% Packaging Telecom 1%Energy 1% 34% US & Canada Latin America Europe, Middle East Construction 15Copyright © . Reconciliation to condensed $ Millions EPS (in $) $ Millions EPS (in $) Net (loss) income attributable to Avient common shareholders (20.2) (0.22) 49.4 0.54 Special items, after-tax 75.7 0.82 5.5 0.06 Amortization expense, after-tax 14.5 0.16 14.9 0.16 Adjusted net income / EPS 70.0 0.76 69.8 0.76 Per share amounts may not recalculate from figures present herein due to rounding 11 Reconciliation to EBITDA and Adjusted EBITDA $ Millions $ Millions Net (loss) income – GAAP (19.9) 49.7 Income tax (benefit) expense (6.7) 16.8 Interest expense, net 26.9 26.6 Depreciation & amortization 45.3 44.3 EBITDA 45.6 137.4 Special items, before tax 101.2 6.2 Interest expense included in special items (1.7) - Depreciation & amortization included in special items (0.4) (0.5) Adjusted EBITDA 144.7 143.1 Adjusted EBITDA as a percent of sales 17.5% 17.3% PAGE 1 OF 3 Copyright © . 2025 19 Reconciliation of Non-GAAP financial measures Reconciliation to EBITDA and Adjusted EBITDA $ Millions $ Millions Sales Color, Additives and Inks 519.7 515.3 Specialty Engineered Materials 308.4 314.4 Corporate (1.5) (0.7) Sales 826.6 829.0 Operating income Color, Additives and Inks 78.6 74.8 Specialty Engineered Materials 47.1 53.4 Corporate (125.0) (34.2) Operating income 0.7 94.0 Depreciation and amortization Color, Additives and Inks 21.7 21.9 Specialty Engineered Materials 21.5 19.6 Corporate 2.1 2.8 Depreciation and amortization 45.3 44.3 Earnings before interest, taxes, depreciation and amortization Color, Additives and Inks 100.3 96.7 Specialty Engineered Materials 68.6 73.0 Corporate (122.9) (31.4) Other expense, net (0.4) (0.9) EBITDA 45.6 137.4 Special items, before tax 101.2 6.2 Interest expense included in special items (1.7) - Depreciation and amortization included in special items (0.4) (0.5) Adjusted EBITDA 144.7 143.1 Adjusted EBITDA as a percent of sales Color, Additives and Inks 19.3% 18.8% Specialty Engineered Materials 22.2% 23.2% PAGE 2 OF 3 Copyright © . 2025 20 measures Reconciliation to condensed Three months ended March 31, 2023 $ Millions EPS (in $) Net income from continuing operations attributable to Avient common shareholders 20.8 0.23 Special items, after-tax 22.3 0.24 Amortization expense, after-tax 15.1 0.16 Adjusted net income / EPS 58.2 0.63 Reconciliation to EBITDA and Adjusted EBITDA Year ended December 31, 2024 $ Millions Net income – GAAP 170.7 Income tax expense 54.1 Interest expense 105.6 Depreciation & amortization 179.7 EBITDA 510.1 Special items, before tax 20.1 Interest expense included in special items (2.3) Depreciation & amortization included in special items (1.5) Adjusted EBITDA 526.4 Adjusted EBITDA as a percent of sales 16.2% PAGE 3 OF 3 Reconciliation to condensed Three months ended June 30, 2024 $ Millions EPS (in $) Net income attributable to Avient common shareholders 33.6 0.36 Special items, after-tax 21.8 0.24 Amortization expense, after-tax 14.8 0.16 Adjusted net income / EPS 70.2 0.76 Reconciliation to condensed Year ended December 31, 2024 $ Millions EPS (in $) Net (loss) income attributable to Avient common shareholders 169.5 1.84 Special items, after-tax 15.9 0.17 Amortization expense, after-tax 59.5 0.65 Adjusted net income / EPS 244.9 2.66 Per share amounts may not recalculate from figures present herein due to rounding Q1 2025 Earnings webcast Slide 1 Slide 2: Disclaimer Slide 3: Q1 2025 highlights Slide 4: Q1 2025 organic revenue growth - by region Slide 5: Playbook in current environment Slide 6 Slide 7: Color, Additives & Inks – Q1 2025 performance Slide 8: Specialty Engineered Materials – Q1 2025 performance Slide 9: Global reach with a local touch Slide 10 Slide 11: 2025 financial guidance unchanged...

Pötzschke, Jörg, Ransbach-Baumbach, *13.10.1970 Scherm, Veronika, Frankfurt am Main, *12.04.1984 27.02.2020 Fall 11 11 a) Die Gesellschafterversammlung vom 25.02.2020 hat die Neufassung des Gesellschaftsvertrages beschlossen. 30.05.2020 Fall 12 12 Prokura erloschen: Berberich, Andreas, Hofheim, *30.11.1977 Herrmann, Thomas, Kelkheim (Taunus), *18.07.1961 01.07.2020 Fall 13 Seite 5 von 7 Heyer, Johannes, Bendorf, *05.10.1966 Merfels, Thomas, Weinolsheim, *23.12.1961 Dr.

Certificate Number: 255 ISO2P Date First Registered: 03/04/2023 Issued on: 11/04/2023 Valid until: 10/04/2026 Awarded to AVIENT PAKISTAN (PVT) LTD 1A/1, Sector#20, Korangi Industrial Area, Sector 20 Karachi, Pakistan In recognition of the Organization´s Food Safety Management System which complies with : ISO 22000:2018 Food Category : I For the scope of activities described below: Manufacturing & Processing of Polymer Resins & Master batch F-3/22/ A 100 Issue date : 06/2022 Version:03 It is mandatory to carry out the surveillance audit on its time.

PDICaseStudy.indd 8.5 in 11.6875 in 8 .75 in 11.9375 in 8 .25 in 11 in PDI Solution Boosts Long-Term Medical Device Performance Spinal disc replacement manufacturer relies on quality analysis and manufacturing solutions from Polymer Diagnostics to help its breakthrough product reach far beyond durability requirements. Asset No. 76593C M Y K PDICaseStudy.indd REMAY 76593 trim: 8.5in x 11in and 8.25in x 11.6875in bleed: 8.75in x 11.9375in Digital/IAM 8.5 in 11.6875 in 8 .75 in 11.9375 in 8 .25 in 11 in www.polymerdiagnost ics.com Copyright © 2008, Polymer Diagnostics Inc.

Van Hulle Page 53 United States 33% 47% Canada Asia 12% Latin America Eastern 2% 2011 Revenue: $0.7 Billion*2011 Revenue: $0.7 Billion* SolutionsSolutions At a Glance Building & Construction 11% Wire & Cable 15% Consumer Packaging 36% Industrial 10% Misc. 7% HealthCare 3% Transportation Textiles Canada 1% Latin America 5% 2011 Revenue by Industry Segment*2011 Revenue by Industry Segment* *Pro forma for the acquisition of ColorMatrix Expanding ProfitsExpanding Profits 1.7% 4.6% 5.1% 5.5% 7.1% 9.6% 12-16% 2006 2007 2008 2009 2010 2011PF 2015 Operating Income % of Sales Target Page 54 Value Proposition • GCAI is a global leader enabling OEMs and converters to profitably expand their business with customized color and additive solutions Transformation Highlights • Mix improvement and value-based selling has Value Proposition and Transformation Highlights • Mix improvement and value-based selling has driven nearly 800 basis points increase in operating margin since 2006 • 2011 acquisition of ColorMatrix accelerates innovation pipeline and expansion into new markets > $12B Addressable Market Page 55 • Unbiased, solution-based culture selling value �Customer-centric approach � Economic value impact documented for customers • Complete package, product range and service offering �Custom solutions for customers’ unique requirements Key Differentiators �Custom solutions for customers’ unique requirements � Industry-leading service offering • Coordinated global infrastructure �Consistency in product and customer service � Supply-chain reliability Page 56 From Volume Commodity white dominated mix To Value Focus on specialty color Global Film Customer Volume Revenue Gross Margin $ Mix Transformation – Executing the Strategy 2010 2011 2010 2011 2010 2011 Page 57 Global Packaging Customer Volume Sales Gross Margin $ From Volume Commodity white dominated mix To Value Focus on specialty color Mix Transformation – Executing the Strategy 2010 2011 2010 2011 2010 2011 Page 58 • OnColor™ HC Plus � Applications: Medical devices � Customer benefits: Brand enhancement, expanded market opportunities, speed-to-market • WithStand™ Antimicrobial Solutions � Applications: Healthcare devices, appliances, kitchen utensils Key Innovations � Applications: Healthcare devices, appliances, kitchen utensils and surfaces, children’s toys � Customer benefits: Expanded market opportunities, extended product life • OnCap™ Antifog � Applications: Food packaging � Customer benefits: Extended shelf life, improved product aesthetics, production efficiencies Page 59 • $1.5 billion attractive, growing market • Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product • Aligned with megatrend of protecting the environment Market Opportunity Shelf-life extension Greater product consistency Weight reduction Performance Additives the environment Leading Global Supplier of Additives In Fast Growing PET Market consistency Recyclability and reduced carbon footprint Color and special effects Enhanced product aesthetics High heat resistance 4% 4% 8% 9% 9% 10% 11% 14% Western North America South America MEA Easter Asia Pacific China India PET 2008-13P CAGR Page 60 HyGuardTM Oxygen Barrier System • Applications: Beverage containers, food packaging • Function: Active scavenging system for • Function: Active scavenging system for oxygen-barrier improvement • Customer benefits: Extended shelf-life, light-weight, recyclable Page 61 ExceliteTM Foaming Agent • Applications: Vinyl sheet for digital printing • Function: Chemical foaming agent for weight reduction • Customer benefits: Increased product quality, operational efficiencies Page 62 Joule RHBTM Advanced Reheat Technology • Applications: PET containers • Function: Infra-red absorber for improved • Function: Infra-red absorber for improved • Customer benefits: Sustainability, operational and energy savings reheating efficiency Page 63 • Accelerate customer development pipeline with OnColor™ HC Plus • Provide solutions addressing infection concerns in healthcare facilities Areas of Focus $8.7 $20.0 Healthcare 2006 2011PFconcerns in healthcare facilities • Help customers expand into new markets with HyGuard™ technology • Extend food shelf life and consumer appeal with OnCap™ Anti-Fog $130.2 $268.0 2006 2011PF Packaging 2006 2011PF (Revenue in $ millions) 2006 2011PF 2006 2011PF Page 64 Critical Imperatives and 2015 Goal Critical Imperatives • Integrate and leverage ColorMatrix technology and customer relationships • Identify and focus on specialty applications within our target markets • Accelerate global expansion and profitability improvements in emerging markets, leveraging success in U.S. and Europe 2015 Goal • 12 - 16% return on sales Page 65 Page 66

Hanna consolidate • Cultures clash – commodity wins • Dependent on income derived from commodity joint ventures The First 6 Years • Globally organized along three strategic platforms • Non-core equity investment dispositions • Talent upgrades, discipline instilled throughout organization • New CEO hired to transform POL into specialty business �18 of 20 officers new • Implemented four pillar strategy • Nearly 50% of The Second 6 Years History of PolyOne – A Transformation • Focused on increasing volume, not profits • Heavily tied to cyclical markets 2000 2006 2012 The FormationThe Formation The TransformationThe Transformation The New PolyOneThe New PolyOne organization • Demonstrated ability to deliver • Nearly 50% of business operating income derived from Specialty Platform* • Specialty assets acquired *Pro forma for ColorMatrix acquisition Page 8 30% 50% 70% 90% $10 $12 $14 $16 $18 PolyOnePolyOne Stock Price S&P 500 (relative performance) Strategy and Execution Drive Results | | | | -50% -30% -10% 10% 30% $0 $2 $4 $6 $8 $10 2006 2007 2008 2009 2010 2011 2012 Page 9 Four Pillar Strategy The World’s Premier Provider of Specialized Polymer Materials, Services & Solutions Page 10 60% 80% 100% % o f O p ra ti g I co m * Old PolyOne Transformation 2012 Target “What We Said” Mix Shift Highlights Specialty Transformation Ahead of Schedule *Operating Income excludes Corporate Charges ** Pro Forma for the acquisition of ColorMatrix and divestiture of SunBelt 2% 34% 42% 50% >50% 0% 20% 40% 2005 2008 2011 2011** 2012 % o f O p ra ti g I co m * JV's PP&S Distribution Specialty Specialty OI $5M $46M $89M $117M “What We Said” Page 11 2007 2012 Target 2011 “Where we were” “What we said” “Where we are” 1) Operating Income % Specialty 3.2% 10% - 12% 8.9% PP&S 6.1% 8% - 10% 7.2% Pro forma ColorMatrix Proof of Performance Distribution 3.0% 4% - 5% 5.6% 2) Specialty Platform sss% of Operating Income 20% >50% 50% 3) Specialty Vitality Index 21% 35% - 40% 49% 4) ROIC* (pre-tax) 11% >15% 16% 5) Sales outside the US 37% >40% 40% *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 12 2011 Pro forma ColorMatrix 2015 Target “Where we are” “Where we expect to be” 1) Operating Income % Specialty 8.9% PP&S 7.2% 12 – 16% 9 – 12% Elevating our Expectations and Yours PP&S 7.2% Distribution 5.6% 2) Specialty Platform % of Operating Income 50% 3) ROIC* (after-tax) 10% 4) Adjusted Annual EPS Growth 3 yr CAGR = 71% 9 – 12% 6 – 7.5% 65 – 75% 15% Double Digit Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 13 • Four pillar strategy, coupled with our ability to execute is driving results • Strong leadership team driving growth & executing • Innovation and services provide differentiation and How do we get there?